/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2021 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the
  * License. You may obtain a copy of the License at:
  *                        opensource.org/licenses/BSD-3-Clause
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "adc.h"
#include "tim.h"
#include "usart.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "fsm.h"
#include <stdio.h>
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
//数据接收结构
Uart_Struct_t Uart_Struct;
FSM_Struct_t FSM_Struct;
/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
uint8_t value[1] = { 0 };

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
static void system_config_before_stop(void)
{
    HAL_UART_DeInit(&huart1);
    HAL_ADC_DeInit(&hadc);
    /* Disable GPIOs clock */
    __HAL_RCC_GPIOA_CLK_DISABLE();
    __HAL_RCC_GPIOB_CLK_DISABLE();
    __HAL_RCC_GPIOC_CLK_DISABLE();
}

static void stop_exit_config(void)
{
    GPIO_InitTypeDef GPIO_Initure = {0};
    __HAL_RCC_GPIOA_CLK_ENABLE();

    GPIO_Initure.Pin = GPIO_PIN_10;
    GPIO_Initure.Mode = GPIO_MODE_IT_FALLING;
    GPIO_Initure.Pull = GPIO_PULLUP;
    HAL_GPIO_Init(GPIOA, &GPIO_Initure);
    HAL_NVIC_SetPriority(EXTI4_15_IRQn, 2, 0);
    HAL_NVIC_EnableIRQ(EXTI4_15_IRQn);

    GPIO_Initure.Pin = GPIO_PIN_9;
    GPIO_Initure.Mode = GPIO_MODE_ANALOG;
    GPIO_Initure.Pull = GPIO_NOPULL;
    HAL_GPIO_Init(GPIOA, &GPIO_Initure);
}

//UART.c
/**
  * @brief 串口中断回调函数
  * @param 调用回调函数
  * @note
  * @retval None
  */
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
    if (huart->Instance == USART1)
    {
        __HAL_TIM_SET_COUNTER(&htim3, 0);
        if (0 == Uart_Struct.Rx_Count) //如果是第一个字符，则开启定时器
        {
            __HAL_TIM_CLEAR_FLAG(&htim3, TIM_FLAG_UPDATE);
            HAL_TIM_Base_Start_IT(&htim3);
        }
        Uart_Struct.Rx_Buf[Uart_Struct.Rx_Count] = Uart_Struct.Rx_temp[0];
        Uart_Struct.Rx_Count++;
        HAL_UART_Receive_IT(&huart1, (uint8_t *)Uart_Struct.Rx_temp, REC_LENGTH);
    }
}


/**
  * @brief 定时器回调函数，定时器中断服务函数调用
  * @param 定时器中断序号
  * @retval None
  */
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{
    if (htim == (&htim3))
    {
        Uart_Struct.Rx_flg = 1;
        HAL_TIM_Base_Stop_IT(&htim3);//关闭定时器
    }
}

uint16_t ADC_Value = 0;
uint16_t Get_ADC_Value()
{
    // ADC1
    HAL_ADC_Start(&hadc);
    //等待ADC转换完成，超时为100ms
    HAL_ADC_PollForConversion(&hadc, 100);
    //判断ADC是否转换成功
    if (HAL_IS_BIT_SET(HAL_ADC_GetState(&hadc), HAL_ADC_STATE_REG_EOC))
    {
        //读取
        return HAL_ADC_GetValue(&hadc);
    }
    return 0x5AA5;
}


EventID Uart_Report(void)
{
    EventID event;
    // 串口触发
    if (Uart_Struct.Rx_flg)
    {
        // Uart_Handler
        HAL_UART_Transmit(&huart1, Uart_Struct.Rx_Buf, Uart_Struct.Rx_Count, 0x10);

        if (strcmp(Uart_Struct.Rx_Buf, "Red\r\n") == 0)
            event = event_3;
        if (strcmp(Uart_Struct.Rx_Buf, "OPM\r\n") == 0)
            event = event_4;
        if (strcmp(Uart_Struct.Rx_Buf, "Sleep\r\n") == 0)
            event = event_5;
        if (strcmp(Uart_Struct.Rx_Buf, "Cal\r\n") == 0)
            event = event_6;

        for (int i = 0; i < Uart_Struct.Rx_Count; i++)
            Uart_Struct.Rx_Buf[i] = 0;
        Uart_Struct.Rx_Count = 0;
        Uart_Struct.Rx_flg = 0;
        return event;
    }
    // 其他方式触发 同时 事件 4 只会通过串口进行通知
    else if (FSM_Struct.FSM_EventType != 0 && FSM_Struct.FSM_EventType != event_4)
    {
        return FSM_Struct.FSM_EventType;
    }
    else
        return 0;
}

StateMachine stateMachine;
void FSM_Init(void)
{
    stateMachine.state = state_1;
    stateMachine.transNum = 13;
    stateMachine.transform = stateTran;
    runStateMachine(&stateMachine, event_1); // 开机自动休眠

    // runStateMachine(&stateMachine, event_2); // 唤醒
}

char Sleep(const EventID *ID)
{
    printf("State Sleep\r\n");
    HAL_SuspendTick();

    system_config_before_stop();
    stop_exit_config();
    // 进入睡眠模式
    //HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON,PWR_SLEEPENTRY_WFI);
    // 进入停止模式
    // HAL_PWR_EnterSTOPMode(PWR_MAINREGULATOR_ON,PWR_STOPENTRY_WFI);   //电压调节器正常
    HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI); //电压调节器低功率
    return 0;
}

char Ready_Ack(const EventID *ID)
{
    /* 恢复系统时钟中断 */
    HAL_ResumeTick();
    MX_GPIO_Init();
    MX_USART1_UART_Init();
    MX_ADC_Init();
    HAL_UART_Receive_IT(&huart1, (uint8_t *)Uart_Struct.Rx_temp, REC_LENGTH); 
    printf("State Ready_Ack\r\n");
    return 0;
}

char Red_Light(const EventID *ID)
{
    printf("State Red_Light\r\n");
    return 0;
}

char OPM_Read(const EventID *ID)
{
    printf("State OPM_Read\r\n");
    return 0;
}

char OPM_Red_On(const EventID *ID)
{
    printf("State OPM_Red_On\r\n");
    return 0;
}

char Cal(const EventID *ID)
{
    printf("State Cal\r\n");
    return 0;
}
/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{
    /* USER CODE BEGIN 1 */
    /* USER CODE END 1 */

    /* MCU Configuration--------------------------------------------------------*/

    /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
    HAL_Init();

    /* USER CODE BEGIN Init */

    /* USER CODE END Init */

    /* Configure the system clock */
    SystemClock_Config();

    /* USER CODE BEGIN SysInit */

    /* USER CODE END SysInit */

    /* Initialize all configured peripherals */
    MX_GPIO_Init();
    MX_USART1_UART_Init();
    MX_ADC_Init();
    MX_TIM3_Init();
    /* USER CODE BEGIN 2 */
    // FSM Init 初始化状态机
    FSM_Init();
    // 清除TIM3的标志位
    __HAL_TIM_CLEAR_FLAG(&htim3, TIM_FLAG_UPDATE);
    // 串口中断开启
    HAL_UART_Receive_IT(&huart1, (uint8_t *)Uart_Struct.Rx_temp, REC_LENGTH);
    /* USER CODE END 2 */

    /* Infinite loop */
    /* USER CODE BEGIN WHILE */

    while (1)
    {
        /* USER CODE END WHILE */
        /* USER CODE BEGIN 3 */
        FSM_Struct.FSM_EventType = Uart_Report();
        if (FSM_Struct.FSM_EventType != 0)
            // 开机自动休眠
            runStateMachine(&stateMachine, FSM_Struct.FSM_EventType); 
    }
    /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
    RCC_OscInitTypeDef RCC_OscInitStruct = {0};
    RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
    RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};

    /** Initializes the RCC Oscillators according to the specified parameters
    * in the RCC_OscInitTypeDef structure.
    */
    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_HSI14;
    RCC_OscInitStruct.HSIState = RCC_HSI_ON;
    RCC_OscInitStruct.HSI14State = RCC_HSI14_ON;
    RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
    RCC_OscInitStruct.HSI14CalibrationValue = 16;
    RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
    if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
    {
        Error_Handler();
    }
    /** Initializes the CPU, AHB and APB buses clocks
    */
    RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
                                  | RCC_CLOCKTYPE_PCLK1;
    RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
    RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
    RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;

    if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
    {
        Error_Handler();
    }
    PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1;
    PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK1;
    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
    {
        Error_Handler();
    }
}

/* USER CODE BEGIN 4 */

/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
    /* USER CODE BEGIN Error_Handler_Debug */
    /* User can add his own implementation to report the HAL error return state */
    __disable_irq();
    while (1)
    {
    }
    /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
    /* USER CODE BEGIN 6 */
    /* User can add his own implementation to report the file name and line number,
       ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
    /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
